Home / 331,887.48-497,776.50-142,378.44

Finding the Fourth Proportional to 331,887.48, 497,776.50 and 142,378.44

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Solution

The fourth proportional to 331,887.48, 497,776.50 and 142,378.44 is: 213,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,887.48 : 497,776.50 = 142,378.44 : x
  2. Step 2: Convert to fraction form
    331,887.48/497,776.50 = 142,378.44/x
  3. Step 3: Cross multiply
    331,887.48x = 497,776.50 × 142,378.44
  4. Step 4: Simplify right side
    331,887.48x = 70,872,641,538.66
  5. Step 5: Solve for x
    x = 70,872,641,538.66/331,887.48
  6. Step 6: Final answer
    x = 213,544.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.